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TMM
2002
133views more  TMM 2002»
13 years 7 months ago
A model for secure multimedia document database system in a distributed environment
Abstract--The Internet provides a universal platform for largescale distribution of information and supports inter-organizational services, system integration, and collaboration. U...
James B. D. Joshi, Zhaohui Kevin Li, Husni Fahmi, ...
ACMICEC
2008
ACM
262views ECommerce» more  ACMICEC 2008»
13 years 9 months ago
Preventing information leakage between collaborating organisations
Information sharing and protection against leakage is a critical problem especially for organisations having sensitive information. Sharing content between individuals in the same...
Muntaha Alawneh, Imad M. Abbadi
CCS
2008
ACM
13 years 9 months ago
On spatio-temporal constraints and inheritance in role-based access control
Pervasive computing environments have created a requirement for spatial- and temporal-aware access control systems. Although temporal, spatial and spatio-temporal role-based acces...
Liang Chen, Jason Crampton
CCS
2006
ACM
13 years 11 months ago
Safety analysis of usage control authorization models
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
Xinwen Zhang, Ravi S. Sandhu, Francesco Parisi-Pre...